The document summarizes Mexico's foreign policy history with the United States, reflecting a resentment stemming from U.S. enforcement of the Monroe Doctrine. It discusses key events like the Mexican-American War where the U.S. annexed Texas and parts of Mexico, U.S. intervention in the French-Mexican War to oppose European influence, and the Zimmerman Telegram from Germany seeking a Mexican alliance against the U.S. in WWI. It also outlines the Estrada Doctrine established in the 1930s expressing Mexico's view of non-intervention and self-determination in reaction to past U.S. involvement in Latin America.